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SBIR/STTR

Morphing Upper Torso: A Resizable and Adjustable EVA Torso Assembly, Phase I

Completed Technology Project

Project Introduction

Traditional Extravehicular Activity (EVA) spacesuits incorporate either hard or soft upper torso subassemblies as part of their architecture. In either case, these components are of a specific, fixed size and lack provisions to make sizing adjustments across the overall envelope of the torso. This project will further the TRL of the prototype Morphing Upper Torso, an innovative pressure garment that allows for resizing of the torso and precise repositioning of the neck, scye and waist planes. The concept has seen significant initial development through the research and PhD dissertation of Dr. Shane Jacobs, the PI on this proposed effort. To date, analytical and experimental models of the full Morphing Upper Torso design (in which the back hatch of a rear-entry torso is interconnected with the waist ring, helmet ring and two scye bearings) have been used to demonstrate the feasibility of this novel space suit concept. The analytical and experimental results demonstrate that the torso could be expanded to facilitate donning and doffing, and then contracted to match different wearer's body dimensions. Using the system of interconnected parallel manipulators, suit components can be accurately repositioned to different desired configurations. The demonstrated feasibility of the Morphing Upper Torso concept makes it an exciting candidate for inclusion in future EVA suit architectures. The proposed project will further the development from the proven concept in a laboratory setting, focusing on integration and development of wearable mockups and ultimately a useable, wearable, pressurizable prototype. More »

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Project Duration

Technology Maturity (TRL)

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